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Author Topic: "My" cheap Versatrak Replacement Fluid  (Read 16041 times)
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smartaxel
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« on: April 22, 2014, 01:23:56 PM »

About 50,000 + miles ago, my diff had gotten noisy.  It had the loud moan on turning and new versatrak fluid wouldn't get rid of it.  I took it to a recommended 4 wheel shop and they used their own "mixture"  to quiet it down.   They were pretty cool and told me what to use in the future.  Today, I used this same "stuff" in another noisy Aztek and it quieted it down also, so I wanted to share what has worked well for me, and is far less costly then the Versatrak fluid:

4 oz bottle Ford Motorcraft Friction Modifier XL-3 (buy it at a ford dealer for $7.00 to $9.00)
Valvolene full synthetic 75w-90 gear oil (you'll need 2 containers)

I drained the differential, poured in all the friction modifier first, filled the rest with the 75w-90 and went for a small drive and did a few "figure 8s" in a parking lot and it got a lot quieter. Then, I parked the car for about 2 hours. When I went out again, the groan was gone and has been all day.  (and it's been gone for about 50,000 + miles on my other Aztek)

Your results may vary, but this has worked better for me then Versatrak and I've been incredibly happy with it.
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Finfan187
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« Reply #1 on: April 29, 2014, 09:36:28 AM »

Forgive my ignorance, but I'm having a similar issue with regards to the noise.  My mechanic recommended that I not drain the diff because it may cause other problems.  Is it possible my diff is that far gone at this point? 

I'm willing to try because if it works it could save me around $1,500.  If it doesn't work then I'm only out the cost of the friction modifier and some gear oil.
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2004 AWD Aztek
Formerly drove 2001 FWD
smartaxel
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« Reply #2 on: April 29, 2014, 10:04:07 AM »

There is a full TSB that says when there is the noise in the dif upon turning, you follow a few procedures, then you empty the Dif, fill it with new (expensive) Versatrak fluid, then go and drive in a figure 8 (or circles) for 20 minutes, dump the fluid and refill. The georotor (if that's the correct term)  in the rear dif only activate on the turns, so you follow their 20 min circles to pump out the old fluid, and pump in some of the new, then you again empty the fluid, and fill with fresh. I've had Azteks for quite a few years and never heard there would be damage caused by a flush/fill- but heard quite the opposite.  Not to discredit your mechanic, but I'd be very concerned that he didn't look up the problem and follow the official GM procedure.

That being said, personally, I'd do the flush with this "cheap" fluid, do the circles, and then refill with this cheap stuff again and give it a few days.  If the noise doesn't go away, you can look at then using the "real" versatrak fluid or replacing the dif. 
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Platinum_Motors
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« Reply #3 on: October 18, 2014, 10:50:49 AM »

Thank You for posting an absolutely fantastic way to clear the humming noise problem.
Followed your directions and the 03 Buick rendezvous runs like it was new.
Chevy dealer had quoted me a discounted price of $25 for a 16oz bottle... That was the dealer discount....not good.
Thanks again.
:-)
J
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havingfun12
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« Reply #4 on: January 04, 2015, 01:35:00 PM »

I have done the same to my Aztek . my carrier bearing where rough so I changed them and used amsoil diff fluid and the ford diff modifier  . just could not speed the money on gm fluid and then dump it out and fill it again . that is just crazy . been a year and all is good . would like to find a way to disconcent the abs and still have the awd engaged any ideas
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